Ottawa 
Events Description
Tamarack Ottawa Race Weekend is Canada’s largest running and walking festival with six races, including the Ottawa Marathon, Half Marathon, 10K, 5K, 2K and Kids Marathon, as well as the Lumberjack, Voyageur or Bytown distance challenges.
Tamarack Ottawa Race Weekend was named Event of the Year at the 2019 Canadian Tourism Awards, and in 2020, its title sponsor Tamarack Homes won the Sport Tourism Canada’s Canadian Sport Event Sponsorship Initiative of the Year Award. The event is one of only two running events in Canada to host a World Athletics Gold label marathon, and is host to Athletic Canada’s Canadian 10K Championships.
Who is it for?
All ages
HOW MUCH
Tickets: Free and ticketed events
How to get tickets?
WHEN & WHERE
Date & Time:
Saturday, May 23, 2026 @ 110 Laurier Ave W, Ottawa
Ottawa Kids Marathon – 1:00 p.m.
Ottawa 2K – 3:00 p.m.
Ottawa 5K– 4:00 p.m.
Ottawa 10K presented by Otto’s Ottawa – 6:00 p.m.
Please note the elite women’s 10K begins at 5:45 pm
Sunday May 24 @ 110 Laurier Ave W, Ottawa
Tamarack Homes Ottawa International Marathon – 7:00 a.m.
Ottawa Half Marathon presented by Desjardins – 9:00 a.m.
Fitness Expo: @ Carleton University Fieldhouse, 1125 Colonel By Drive, Ottawa
Thursday, May 21 – 4:00 pm – 9:00 pm
Friday, May 22 – 9:00 am – 9:00 pm
Saturday, May 23 – 8:00 am – 6:00 pm
Paid Parking – Road Closure
Public transport accessible
